The DRONES G system is a state-of-the-art technology for light airborne radiation monitoring using UAV (unmanned aerial vehicle) devices as carriers. The system offers an excellent performance for environmental radiation inspection and emergency monitoring. Measured data is transmitted in real time to the ground station equipped with DRONIC software providing an immediate overview of the radiation situation in the territory the UAV is operating in. The main advantages of the DRONES G radiation monitoring system are its flexibility of use and wide range of capabilities.

Benefits• Designed for independent operation - suited for any drone (with adapted payload and autonomy)

• Real-time data processing and transmission to the ground station

• Single interface for BRUS* drone control and data acquisition and visualisation

• Less costly than helicopter monitoring, quicker and easier than pedestrian monitoring

• Easily programmable path to survey the area in a systematic way

Key figures

Number of different detectors available

Operation range

6

50 nGy/h - 20 mGy/h

2.6 kg

NuEM DRONES G Gamma Detection and Spectroscopy UAV System

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DRON

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CZ11

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Supporting your energyinstruments@nuviatech.com nuviatech-instruments.com

SPECIFICATION SHEET

Weight of minimum detection configuration

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Product descriptionThe DRONES G system consists of a base module and of special detection modules that can be attached, in various combinations according to application needs.The DRONES G base module includes a main processing unit with a memory card for data storage, a RF data link module, a GM (Geiger-Müller) detector, an external GPS module, auxiliary sensors for temperature, atmospheric pressure and humidity measurement and a Li-Pol battery that also powers external modules. The base module is equipped with a USB interface for service or local connectivity.All data from detection modules is processed on board in real time and synchronised with GPS time and position.

Product applications• Surveying of medium size areas to search for potential contamination, orphan radioactive sources or for operations in areas with hazardous dose rate levels

• Surveying areas that aren’t easily accessible by foot or other means of transportation

• Ambient air sampling on filters for subsequent analyses of radioactive material and radionuclide identification

Product specificationsBase ModuleGPS u-blox* module A-GPS, GLONASS/GALILEOBattery Li-Pol, 11.1 VDC / 5100 mAhRF data link 433 MHz / 868 MHz

High dose GM module

Energy compensated GM tube Sensitivity (137Cs, 1 μGy/h): 1.4 cpsDose rate range: 50 nGy/h - 20 mGy/hEnergy range: 40 kev - 3 MeV

Number of connectors 4 (each connector can be used for a detection module or the air sampler)

Time of operation Approx. 4 hours, whatever the detector configuration chosen

Weight 1.6 kgGamma Spectroscopy ModuleDetectors NaI(Tl) detector 2” × 2” or 3” × 3”Resolution 256, 512, 1024 channelsEnergy range 50 kev - 3 MeVDetector resolution <7.5% on 137Cs at 662 keV

Dose rate range 50 nGy/h - 100 μGy/h for 2“ × 2“ 50 nGy/h - 50 μGy/h for 3“ × 3“

Max. throughput 50 kcps (with dead time correction)Weight 1.4 kg for 2“ × 2“, 2.7 kg for 3“ × 3“High Resolution ModuleDetectors LaBr3(Ce) or CeBr3 detector 1.5“ × 1.5“Resolution 256, 512, 1024 channelsEnergy range 50 kev - 3 MeVDetector resolution 3.0% LaBr3(Ce) / 3.0% CeBr3 at 662 keVDose rate range 50 nGy/h - 100 μGy/hMax. throughput 50 kcps (with dead time correction)Weight 1.0 kg

NuEM DRONES GGamma Detection and Spectroscopy UAV System

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The basic communication and data transmission between the DRONES G and the ground station is achieved through a long range radiofrequency data link working on communication frequencies that allow licence-free operation: 433 MHz or 868 MHz.Windows*-based DRONIC software enables data acquisition from connected modules, system setup, real-time data and spectra visualisation as well as operation status information. In addition, it displays the battery capacity, ambient temperature, pressure, humidity and other parameters. The software controls the data recording on the SD card and the On/Off function for the air sampler.

High Sensitivity Module

Detector Plastic (polystyrene) scintillation detector, volume 1 litre

Sensitivity 50 cps / 10 nGy/hDose rate range 10 nGy/h - 20 μGy/hEnergy range 50 kev - 3 MeVMax. throughput 100 kcpsWeight 2.1 kgNeutron Detection Module

Detector Plastic light guide coated with 6LiF/ZnS:Ag detection layer

Thermal neutron detection efficiency 24% (for a detector without moderator)

Sensitivity 100 cps/nv (for a detector without moderator)

Neutron detection efficiency

0.3 cps/ng of 252Cf (According to PNNL-18903 when meeting requirements for gamma insensitivity. Detector with moderator.)

Weight 2.3 kgMini Air SamplerAir sampling Max. 5.2 L/minFilters Synthetic fibre, plastic, paperWeight 0.7 kg

* Third party trademarks are the property of their respective owners.

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